Gymnocactus horripilus (Lem. ex C.F.Först.) Backeb. in Cact. Succ. J. (Los Angeles) 23: 151. 1951
Gymnocactus horripilus in Cact. Succ. J. (Los Angeles) 23: 151. 1951
is new combination for Echinocactus horripilus, Handb. Cacteenk.: 283. 1846
Gymnocactus horripilus in Cact. Succ. J. (Los Angeles) 23: 151. 1951
Taxon for this name